Group 1 - The core theme of the articles revolves around the revitalization of Dongbei, a region in Northeast China, which is gaining popularity as a winter destination due to its unique attractions like ice and snow festivals [1][3] - Dongbei, once a significant industrial powerhouse, is now experiencing a resurgence, attributed to visionary government policies and a positive local spirit, transforming challenges into opportunities for growth [1][3] - The region's winter tourism, highlighted by events such as the Harbin Ice and Snow World, is drawing attention and optimism from both locals and visitors, showcasing the economic potential of winter sports and activities [2][3] Group 2 - The revitalization efforts in Dongbei are seen as a successful national strategy over the past two decades, focusing on new industries and tourism to boost the local economy [1][3] - The popularity of Dongbei is further enhanced by social media influencers, such as Brother Left and Right, who promote the region's winter festivities and attractions, contributing to its status as a top winter destination in China [2][3] - The economic impact of winter tourism in Dongbei is likened to the value of gold and silver, indicating its significance in the broader context of China's economic landscape [3]